China
China
of
of
of
of
of
Standardization
Administration
Administration
And
And
the
the
Republic
Republic
General
Quality
Supervision,Inspection
Quarantine
People's
People's
提出部门:
China
And
Association.
Steel
Iron
归口单位:
SAC/TC
Technical
Committee
Committee
on
of
of
Standardization
China.
183
Steel
主管部门:
SAC/TC
Technical
Committee
Committee
on
of
of
Standardization
China.
183
Steel